A novel two-switch forward configuration for wide input-voltage range applications: RCD-clamped forward converter with ripple reduction (RCDFRR)

Employing a voltage-clamped network and one additional switch to the forward converter with ripple reduction (FRR), a two-switch RCD-clamped FRR (RCDFRR) is proposed. In addition to inheriting the advantages of the FRR, it can surpass the maximum 50% duty cycle limitation with simple implementation....

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Bibliographic Details
Main Authors: Ching-Shan Leu, Wei-Lun Chen
Format: Conference Proceeding
Language:English
Subjects:
Capacitance
Clamps
Converters
Electromagnetic interference
Inductance
Magnetic resonance
Switches
Online Access:Request full text
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Description
Summary:Employing a voltage-clamped network and one additional switch to the forward converter with ripple reduction (FRR), a two-switch RCD-clamped FRR (RCDFRR) is proposed. In addition to inheriting the advantages of the FRR, it can surpass the maximum 50% duty cycle limitation with simple implementation. Consequently, the proposed converter is suitable for wide input-voltage range applications. In this paper, the circuit operation is analyzed and the experimental circuit of a 180 kHz, 36-75 V input voltage and 5V/30A output power is described.
ISSN:0275-9306
2377-6617
DOI:10.1109/PESC.2008.4592280